//
//  Atom.m
//  hf4-7
//
//  Created by mac on 16-4-11.
//  Copyright (c) 2016年 huangfeng. All rights reserved.
//

#import "Atom.h"

@implementation Atom

-(id) init
{
    if (self=[super init]) {
        _chemicalElement=@"None";
    }
    return self;
}

- (NSUInteger) massNumber
{
    return 0;
}

@end
